Liwei Li
Senior Manager at Huawei Enterprise
Nanjing City, Jiangsu, China
Summary
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RockstarLiwei Li is a Senior Manager at Huawei Enterprise with six years of software engineering experience, leading backend development and delivery for distributed data systems. Based in Nanjing, he contributes to high-profile open-source projects like Apache Flink and Apache Iceberg, improving table runtime, checkpointing, metrics, and testing across catalog implementations. He combines hands-on implementation—adding CharType support, refining window triggers, and enhancing file-system partition time formatting—with improvements to developer tooling and documentation. Known for pragmatic problem solving and a “no pains, no gains” coding ethos, he balances feature work with robust testing and maintainability. His background reflects a strong focus on scalable data processing and interoperability in large-scale analytics ecosystems.
6 years of coding experience
Github Skills (16)
testing10
javas10
big-data10
flink-sql10
spark10
apache-flink10
java10
apache-iceberg10
scala10
checkpointing9
metric9
checkpoint9
hadoop8
hive8
documentation8
Programming languages (4)
Github contributions (5)
apache/iceberg
Sep 2021 - Jan 2023
Apache Iceberg
Role in this project:
Back-end Developer
Back-end DeveloperContributions:648 reviews, 48 commits, 132 PRs in 1 year 4 months
Contributions summary:Liwei contributed to Apache Iceberg by adding and modifying test classes, particularly focusing on integrating and configuring different catalog implementations within the Spark framework. Their commits involved creating base test classes and configurations to run tests, and they focused on using different catalog types, such as Hive and Hadoop. They also enhanced the testing infrastructure, providing a more streamlined approach for testing in various catalog environments.
apache-icebergapachebig-datadatastreamjava
apache/flink
Aug 2021 - Jan 2022
Apache Flink
Role in this project:Back-end Developer
Back-end DeveloperContributions:36 reviews, 13 commits, 24 PRs in 5 months
Contributions summary:Liwei primarily contributed to the Apache Flink project by implementing features related to table runtime, metrics, and checkpointing. They added support for `CharType` in `LeadLagAggFunction` and refactored task metric group instantiations. Furthermore, the user addressed documentation issues, incorporated enhancements to continuous event time and processing time triggers for windowing, and introduced a new setting for formatting partition time extracted from file system data. Their work focused on improving the functionality and documentation of Flink's table API, runtime environment and file system connectors.
pythonflinkconnectorsqlapache
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